Anterior and Middle Mediastinum

Question 1

what are the boundaries of the anterior mediastinum

Answer 1

• body of sternum (ant.)
• pericardium (post.)
• transverse thoracic plane (sup.)
• diaphragm (inf.)

Question 2

what are the contents of the anterior mediastinum

Answer 2

• loose CT
• fat
• lymphatics

Question 3

what are the contents of the middle mediastinum

Answer 3

• heart
• pericardium
• roots of great vessels

Question 4

what structures are adjacent to the middle mediastinum

Answer 4

• great vessels
• phrenic nerves
• lung root structures

Question 5

what are the boundaries of the of the middle mediastinum

Answer 5

bounded on all sides by pericardial sac